Protease

Protease
An enzyme that can split a protein into peptides (from whence the protein was originally created).
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Descriptive term for proteolytic enzymes, both endopeptidases and exopeptidases; enzymes that hydrolize (break) polypeptide chains.
- Lon p. (pro′te-as) an enzyme that degrades a bacterial protein and stops cell division until chromosomal repair is completed.
- tricorn p. a p. found in organisms lacking membrane-bound compartments that forms the core of a modular proteolytic system used to generate multicatalytic activities in a controlled manner.

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pro·te·ase 'prōt-ē-.ās, -.āz n any of numerous enzymes that hydrolyze proteins and are classified according to the most prominent functional group (as serine or cysteine) at the active site called also proteinase compare PEPTIDASE

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n.
any enzyme that catalyses the splitting of a protein. See also proteolytic enzyme.

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pro·te·ase (proґte-ās) endopeptidase.

Medical dictionary. 2011.

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  • protéase — [ prɔteaz ] n. f. • 1900; de proté(ine) et ase ♦ Biochim. Enzyme hydrolysant les protéines et les polypeptides (cf. Enzyme protéolytique). Protéases digestives : pepsine, trypsine. On dit aussi PROTÉINASE . ● protéase nom féminin (de protéine)… …   Encyclopédie Universelle

  • protease — protease. См. пептидаза. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • protease — protease. = peptidase (см.). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • protease — 1903, from proteolysis + ase …   Etymology dictionary

  • protease — [prōt′ē ās΄] n. [ PROTE(IN) + (DIAST)ASE] any hydrolase enzyme, as pepsin or trypsin, that acts as a catalyst in chemical reactions in which a protein is broken down by hydrolysis …   English World dictionary

  • Protease — This article is about the structure and properties of proteolytic enzymes. For medical, surgical and related applications of several proteases, see Proteases (medical and related uses). A protease (also termed peptidase or proteinase) is any… …   Wikipedia

  • Protéase — Peptidase Coupure protéolytique d une chaîne peptidique Les peptidases (ou protéases ou enzymes protéolytiques) sont des enzymes qui brisent les liaisons peptidiques des protéines. On parle alors de coupure protéolytique ou de protéolyse. Ce… …   Wikipédia en Français

  • Protease — Peptidase Enzymklassifikation EC, Kategorie …   Deutsch Wikipedia

  • protease — proteazė statusas T sritis chemija apibrėžtis Fermentas, katalizuojantis peptidinių ryšių hidrolizę. atitikmenys: angl. protease; proteolytic enzyme rus. протеаза; протеолитический фермент ryšiai: sinonimas – proteolitinis fermentas …   Chemijos terminų aiškinamasis žodynas

  • Protease-Inhibitor — Protease Inhibitoren (PI) sind Moleküle, die Peptidasen (alter Name: Proteasen) hemmen und damit den Abbau von Proteinen verhindern können. Oft handelt es sich dabei selbst um Proteine. Auch eine Gruppe von Arzneistoffen, die zur Behandlung von… …   Deutsch Wikipedia

  • protease inhibitor — n a substance that inhibits the action of a protease specif any of various drugs (as indinavir or saquinavir) that inhibit the action of HIV protease so that cleavage of viral proteins into mature infectious particles is prevented and that are… …   Medical dictionary

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